<template>
    <div class="top">
        <div class="left">
            <span class="lbtn" @click="goHome">首页</span>
        </div>
        <div class="center">
            <div class="title">智慧旅游可视化大数据平台</div>
        </div>
        <div class="right">
            <span class="rbtn">统计报告</span>
            <span class="time">当前时间：{{ t }}</span>
        </div>
    </div>
</template>
<script setup lang="ts">
import { onBeforeUnmount, onUnmounted, ref } from 'vue';
import { useRouter } from 'vue-router';
let $router=useRouter();

function nowTime(){
    let t=new Date();
    return t;
}
let t=ref(nowTime());
let timer=ref();
timer.value=setInterval(()=>{
    t.value=nowTime();
},1000)
//点击按钮回首页
const goHome=()=>{
    $router.push('/home')
}
onBeforeUnmount(()=>{
    clearInterval(timer.value);
})
</script>
<style scoped lang="scss">
.top{
    width: 100%;
    height: 40px;
    display: flex;
    .left{
        flex: 1.5;
        background: url(D:/Before/project/src/views/screen/images/dataScreen-header-left-bg.png) no-repeat;
        background-size: cover;
        .lbtn{
            width: 150px;
            height: 40px;
            float: right;
            background: url(../../images/dataScreen-header-btn-bg-l.png) no-repeat;
            background-size: 100% 100%;
            text-align: center;
            line-height: 40px;
            color: #29fcff;
            font-size: 20px;
        }
    }
    .center{
        flex: 2;
        .title{
            width: 100%;
            height: 74px;
            background: url(../../images/dataScreen-header-center-bg.png) no-repeat;
            background-size: 100% 100%;
            text-align: center;
            line-height: 74px;
            color:  #29fcff;
            font-size: 30px;
        }
    }
    .right{
        flex: 1.5;
        background: url(D:/Before/project/src/views/screen/images/dataScreen-header-left-bg.png) no-repeat;
        background-size: cover;
        display: flex;
        justify-content: space-between;
        align-items: center;
        .rbtn{
            width: 150px;
            height: 40px;
            background: url(../../images/dataScreen-header-btn-bg-r.png) no-repeat;
            background-size: 100% 100%;
            float: left;
            text-align: center;
            line-height: 40px;
            color: #29fcff;
            font-size: 20px;
        }
        .time{
            color: #29fcff;
            font-size: 20px;
            margin-right: 10px;
        }

    }
}
</style>